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Added on 05.11.09 |
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If your home or small of office has more than one PC, connecting them in
a network allows them to access a single internet connection. You can also
easily share files and send messages between the PCs, print to printers not
connected directly to your PC and play multiplayer games. The central connection
point, usually a router, can also let you add network-smart devices, such as
printers, digital cameras and extra hard disk space. Such devices have the
advantage of being available to any PC on the network no matter which PCs are
powered on.
Computers on the network can run a mix of Windows versions
and file systems, such 'as NTFS, FAT32 or FAT. The type of network explained in
this feature is called a peer-to-peer (or workgroup1 network and can have up to
10 PCs, although some versions of Windows are limited to five connections.
ETHERNET HARDWARE
The basic components of a network are a network adapter of some sort for each
PC, a central connection point and the means to connect to each PC from the
central connection point Most small networks will also need a fourth component:
a modem to connect to the internet from the central connection point.
One
of the simplest networks is where each PC has an internal Network interface Card
(NICE, either integrated into the motherboard or a separate card that goes in a
PCI expansion slot. Each NIC is connected Ha a network cable to a router;
this configuration can be called a wired network, an Ethernet
network or a local area network {LAN). For a home or small office
situation, a wired network is best fur desktop computers located in the
same room or adjacent rooms. Compared to a wireless network, a LAN is
easier to configure, is inherently more . secure, gives more reliable
connections and consistent speed, and can produce a faster data
transfer rate.
Some routers have an inbuilt ADSL, ADSL2 or
ADSL2+ modem, and this is the most economical arrangement if you have
that type of internet connection. Alternatively, if you connect to the
net via satellite or cable, you'll need a separate modem that plugs
into a modemless router. However you connect, your ISP will advise you
on configuring the modem.
NOTEBOOKS WANT WIRELESS
Although you can connect a notebook to a LAN using either its inbuilt NIC or
an Ethernet card, a wireless network ^IWIAN also called aWi-Fi network) will let
you easily move the notebook around the house or of lice, or even take it
outside. A wireless connection is also the best choice for any desktop located
on a different floor to the main LAN mob. instead of an NIC, each PC on the WLAN
needs a wireless network adapter. Most current notebooks have one built in, but
if yours doesn't, then you'll need a wireless PC Card or USB adapter. Similarly,
many current desktops come with inbuilt wireless capability; lacking that, the
PC will need a wireless network device that plugs into a PCI expansion slot or
USB port.
If you already have a wired network, the cheapest way to add a
wireless segment to it is to connect a wireless access point to your router.
You'll need a cable to connect the two devices, but the wireless parts don't
need any additional means of connecting to the network. If you're building your
network from scratch, the best option is to go for a wireless router. Note that
compared to a wired link, Wi-Fi connections can be dodgy: they're affected by
metal objects and solid walls or floors, and can suffer interference from nearby
wireless networks, microwaves and other electronic devices. They're also
vulnerable to hackers, so you need to pay particular attention to network
security if you go wireless.
TALK TO YOUR R O U T E R
A major threat to any PC user today is the large number of malicious software floating around in cyberspace. They not only damage files and cause errors in the system, but also have a potential to permanently delete data from your PC. Therefore, you must scan your computer regularly in order to keep your system free from such malicious content.
Basic Step 4: Update your system with the latest releases
For a wired, wireless or combination net Nods the router needs to be able to
communicate with every PC. A common way to ensure this happens is to let the
router assign each PC's IP address. This process requires that the router is
configured do this and that each PC is configured to have its IP address
automatically assigned to it. These are the Update. If you are a victim of
this issue, you may turn off default conditions, so many people will already be
using these settings.
If you're not, the details of doing this depend on
both the router you're using and the version(s) of Windows on your PCs. You'll
probably need the router's user guide to work your way through it. Nevertheless,
a common way to enter the configuration settings is from your web browser.
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